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Hot Tub won’t turn on.

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Hello all,

I recently acquired an Arctic Spa hot tub. I had to replace the motherboard because the main power lugs were broken. No idea how it happened. Mothers handyman disconnected it. No telltale signs of arcing on old board. When I turn power on, nothing happens. I have 240 at board and 120 individually at board. 2 power lines, ground and neutral. I have power at various relays on the board. No power to control panel at all. Swapped with known good panel and still nothing. Control panel disconnected results in nothing. I am a beginner with a multimeter but am pretty good at following directions! I have not checked transformer or heater.I included pics of transformer and a couple of new board and old where you can see power lugs broken out. Any guidance would be much appreciated!






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On 5/13/2023 at 4:10 PM, CardiffKid said:

Transformer was plugged in to wrong pins.

Hope that didn't pooch something the board. Contact where you bought the board and see what they say. Don't tell them that part though...lol

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